CN211117742U

CN211117742U - Control device for adjusting opening of ball valve

Info

Publication number: CN211117742U
Application number: CN201922029984.7U
Authority: CN
Inventors: 奥科嘉
Original assignee: Shanghai Dingyi Intelligent Technology Co ltd
Current assignee: Shanghai Dingyi Intelligent Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-28
Anticipated expiration: 2029-11-22

Abstract

The utility model belongs to the technical field of intelligent valve control, in particular to a control device for adjusting the opening of a ball valve, which comprises a valve body, wherein the valve body is of a three-way structure, a valve seat is arranged at the intersection of the three-way structure, a sealing ball is arranged in the valve seat, and the top end of the sealing ball is connected with a valve rod; the valve body top is equipped with the casing, the valve body passes through the installing support with the casing and can dismantle the connection, be equipped with drive actuating mechanism and support frame in the casing, drive actuating mechanism includes rotatory potentiometre, motor and proximity switch, the upper portion at the connecting rod is established to rotatory potentiometre cover, the fixed external second gear in connecting rod middle part, the connecting rod bottom is connected with the valve rod top, be connected with first gear in the drive shaft of motor, first gear and second gear meshing transmission, rotatory potentiometre is used for gathering the aperture of the height in order to judge the valve body of potentiometre, proximity switch is used for the operation and the stop of control motor. The control device has the advantages of small volume, convenient installation, strong sensitivity and realization of intelligent and accurate control through auxiliary equipment.

Description

Control device for adjusting opening of ball valve

Technical Field

The utility model belongs to the technical field of intelligent valve control, concretely relates to control device of regulation ball valve aperture.

Background

The ball valve controls the flow or pressure of fluid in a pipeline where the ball valve is located through the opening degree of the valve, so that the accurate control of the opening degree determines the control of the flow or pressure of the fluid in the pipeline. In northern areas of China, when the northern areas are adjacent in winter, centralized heating is carried out, but the water temperature, the flow and the heating time of the centralized heating are all unified, the heating center ensures the lowest heating standard of the farthest customers, the temperature of families close to a heat source often exceeds the standard, the opening of a valve needs to be manually adjusted, inconvenience is brought to users, resource waste is often caused, the conventional heating mode cannot be automatically adjusted according to the temperature set by the users, and in addition, some families are not at home for a long time (such as working, traveling outside and the like), the room temperature does not need to be kept at the normal temperature, but the household is far away from the residence and is difficult to control, so the waste of resources and money is caused.

At present, a small amount of intelligent control valves exist in the market, but the intelligent control valves are large in size, complex to install and high in price, and the existing ball valves are difficult to reform, so that resource waste is caused.

In view of the above, the present inventors have devised a control device for adjusting the opening of a ball valve to solve the above technical problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a control device of regulation ball valve aperture, this novel device simple structure, simple to operate, can realize intelligent control flap's aperture with the help of external software, reequip in order to realize intelligent control to current ball valve easily, save the resource when realizing intellectuality, save the cost.

The to-be-solved technical problem of the utility model is realized through following technical scheme: the valve body is of a three-way structure, a valve seat is arranged at the intersection of the three-way body in a cavity of the valve body, a sealing ball is arranged in the valve seat, a channel for fluid circulation is formed in the horizontal plane in the middle of the sealing ball, a valve rod is connected to the top end of the sealing ball, and the rotation of the sealing ball is driven by controlling the rotation of the valve rod so as to control the opening degree of the valve body;

the valve also comprises a shell arranged above the valve body;

the shell is internally provided with a driving execution mechanism and a support frame, the driving execution mechanism is arranged on the support frame, and the support frame is detachably connected in the shell;

the driving executing mechanism comprises a rotary potentiometer, a direct current motor and a proximity switch, the rotary potentiometer is sleeved on the upper portion of the connecting rod, a second gear is fixedly and externally connected to the middle portion of the connecting rod, the bottom end of the connecting rod is connected with the top end of the valve rod, a first gear is connected to a driving shaft of the direct current motor, and the first gear is in meshing transmission with the second gear;

the second gear is fixedly provided with a limiting column, the supporting frame is provided with a limiting hole, the limiting column is arranged in the limiting hole, proximity switches are respectively arranged at two ends of the limiting hole and on the supporting frame, and the proximity switches are used for controlling the running and stopping of the direct current motor.

Further, the shell body is composed of an upper shell and a lower shell, and the upper shell is detachably connected with the lower shell.

Further, still include the installing support, the installing support is hollow structure, the bottom of installing support passes through bolted connection with the vertical tip of valve body, the top and the inferior valve of installing support can be dismantled and be connected.

Furthermore, bosses extending outwards are respectively arranged on two sides of the top end of the mounting bracket, and L-shaped hooks and snap rings matched with the bosses are respectively arranged on two sides of the bottom of the lower shell;

inferior valve bottom one side is connected with installing support top one side boss through L type couple, inferior valve bottom opposite side inserts the snap ring through the bolt and is connected with installing support top opposite side boss.

Furthermore, the driving execution mechanism further comprises a pointer fixedly arranged on the connecting rod and above the rotary potentiometer, and an opening display disc is arranged below the pointer.

Furthermore, a transparent window is arranged on the upper shell and is arranged right above the opening display disc, and the transparent window is used for observing the opening of the valve body.

Furthermore, both ends all are provided with the tenon about the valve rod, ball sealer and connecting rod all are provided with the recess with tenon matched with.

Furthermore, two ends of the horizontal plane of the valve body are respectively provided with an internal thread, and the internal threads are used for being connected with an external pipeline.

Furthermore, the valve body is also provided with a manual control rotary ball

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses controlling means, through set up the actuating actuator in the valve body top, actuating actuator includes rotatory potentiometre, DC motor and proximity switch, rotatory potentiometre cover is established on the upper portion of connecting rod, the fixed external second gear in middle part of connecting rod, the bottom of connecting rod is connected with the top of valve rod, be connected with first gear in DC motor's the drive shaft, first gear and second gear meshing transmission, it is rotatory to drive the gear through DC motor's operation, and then drive the connecting rod and rotate with the valve rod together, it is rotatory to cause the ball sealer, thereby adjust valve body's aperture, thereby rotatory potentiometre rotates the voltage size that changes self both ends along with the rotation of connecting rod simultaneously, judge valve body aperture size with the help of the chip discernment different potential values, realize accurate control, in order to save the energy. The ball valve has the advantages of simple structure, strong sensitivity, low cost, convenience for refitting the existing common ball valve, high integration level, small volume and convenience for installation.

2. The utility model discloses controlling means, the fixed spacing post that is provided with on the second gear, spacing hole has been seted up on the support frame, spacing post setting is in spacing downthehole, on the support frame, spacing hole both ends are provided with proximity switch respectively, when DC motor is rotatory to the critical position, when the valve body was opened completely or the complete closure promptly, spacing post on the second gear can touch the proximity switch at spacing hole both ends promptly, DC motor stop work this moment to guarantee safety.

3. The utility model discloses controlling means, on the connecting rod, rotatory potentiometre top is provided with the pointer, and the pointer below is provided with the aperture display panel, is provided with transparent window directly over the aperture display panel on the casing, but the current valve opening value of visual display.

4. The utility model discloses controlling means, casing and valve body pass through the installing support and can dismantle and be connected, and concrete structure is provided with the boss of outside extension respectively for the top both sides of installing support, and the bottom both sides of inferior valve are provided with L type couples and snap ring with boss matched with respectively, and inferior valve bottom one side is connected with installing support top one side boss through L type couple, and inferior valve bottom opposite side inserts the snap ring through the bolt and is connected with installing support top opposite side boss to realize the high-speed joint, be convenient for install and maintain.

Drawings

Fig. 1 is a schematic view of the overall structure of the control device of the present invention;

FIG. 2 is a front view of the control device of the present invention;

fig. 3 is a left side view of the control device of the present invention;

fig. 4 is a sectional view of the control device a-a of the present invention;

FIG. 5 is an exploded view of the control device of the present invention;

fig. 6 is a schematic view of the driving actuator of the control device of the present invention;

fig. 7 is a schematic view of the gear engagement structure of the driving actuator of the control device of the present invention.

In the drawing, the valve body 1, the mounting bracket 2, the plug pin 3, the driving actuator 4, the shell 5, the support frame 6, the support frame 11, the valve seat 12, the sealing ball 13, the valve rod 14, the internal thread 21, the boss 41, the opening display disc 42, the pointer 43, the rotary potentiometer 44, the direct current motor 45, the proximity switch 51, the upper shell 52, the lower shell 61, the limiting hole 61, the passage 121, the passage 131, the tenon 431, the second gear 432, the connecting rod 433, the limiting column 441, the first gear 511, the transparent window 521, the wire outlet 522, L type hook 523 and the snap ring 523 are arranged.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.

Example (b): the utility model relates to a device shown in figures 1-7, a control device for adjusting the opening degree of a ball valve, which comprises a valve body 1, wherein the valve body 1 is of a three-way structure, a valve seat 11 is arranged at the intersection (horizontal channel) of the three-way body in the cavity of the valve body 1, a sealing ball 12 is arranged in the valve seat 11, a channel 121 for fluid circulation is arranged at the middle horizontal plane of the sealing ball 12, the top end of the sealing ball 12 is connected with a valve rod 13, the valve rod 13 is positioned in a vertical pipe of the three-way body structure, the valve rod 13 is wholly cylindrical, a sealing groove is arranged on the cylindrical surface, tenons 131 are arranged at the upper end and the lower end of the valve rod 13, the bottom end of the valve rod 13 is connected with a groove matched with the top end of the sealing ball 12 through the tenons 131, the top end of the valve rod 13 is connected with a driving device through the tenons 131, the internal thread 14 is intended for connection with an external pipe, preferably the valve body 1 is made of metallic copper.

This controlling means still includes the casing 5 of setting in valve body 1 top, casing 5 comprises epitheca 51 and inferior valve 52, and epitheca 51 can be dismantled with inferior valve 52 and be connected, in order to guarantee the intensity of casing 5, evenly is provided with the strengthening rib in casing 5, and the casing preferably adopts the one shot forming of moulding plastics to save the cost, can also adopt metal manufacturing of course.

This controlling means still includes installing support 2, and installing support 2 is hollow structure (guarantee that valve rod 1 passes and can rotate), and the bottom of installing support 2 passes through bolted connection with the vertical tip of valve body 1 tee bend body structure, and the top and the inferior valve 52 of installing support 2 can be dismantled and be connected.

Specifically, as shown in fig. 2 ~ 5, the top both sides of installing support 2 are provided with the boss 21 of outside extension respectively, and correspondingly the bottom both sides of inferior valve 52 are provided with L type couple 522 and snap ring 523 with boss 21 matched with respectively, and wherein, inferior valve 52 bottom one side is connected with 2 top one side boss 21 couples of installing support through L type couple 522, and inferior valve 52 bottom opposite side inserts snap ring 523 through bolt 3 and is connected with 2 top opposite side bosses 21 of installing support, snap ring 523 is two, and boss 21 is located between two snap rings 523, and boss 21 is the indent cambered surface with 3 contact surface of bolt, can dismantle with installing support 2 through inserting 3 inferior valves 52 of bolt, and this connected mode simple structure is convenient for the dismouting maintenance.

The control device is provided with a driving actuator 4 and a support frame 6 in a shell 5, the driving actuator 4 is arranged on the support frame 6, the support frame 6 is detachably connected in the shell 5, and the support frame 6 is preferably of a two-layer structure.

Specifically, as shown in fig. 4 to 7, the driving actuator 4 includes a rotary potentiometer 43, a dc motor 44 and a proximity switch 45, the rotary potentiometer 43 is sleeved on the upper portion of the connecting rod 432, the rotary potentiometer 43 is located above the supporting frame 6, the connecting rod 432 passes through the supporting frame 6, the middle portion of the connecting rod 432 is fixedly externally connected with a second gear 431, the second gear 431 is located between two layers of the supporting frame 6, the bottom end of the connecting rod 432 is provided with a groove, the groove is connected with the valve rod tenon 131 to realize transmission torque, the dc motor 44 is located on the top end surface of the supporting frame 6, a driving shaft of the dc motor 44 passes through the top layer of the supporting frame 6 and is connected with a first gear 441, wherein the first gear 441 and the second gear 431 are in.

After the above arrangement, when the dc motor 44 operates, the first gear 441 is driven to rotate, and then the second gear 431 is driven to rotate together with the connecting rod 432, the valve rod 1 is driven to rotate in order to control the rotation of the sealing ball 12, so as to realize the adjustment of the opening degree of the valve body 1, meanwhile, the rotating potentiometer 43 rotates along with the connecting rod 432, the resistance value of the rotating process of the rotating potentiometer 43 can change correspondingly, namely, the potentials at two ends of the rotating potentiometer are changed, the opening degree of the valve body is judged according to different potential values identified by chips, so as to realize accurate control, so as to save energy, in addition, through experimental determination, the noise is less than 35db when the control device operates, and the rest of a user can not.

Wherein, fixed spacing post 433 that is provided with on second gear 431, spacing hole 61 of circular arc type has been seted up on the 6 top layers of support frame, spacing post 433 sets up in spacing hole 61, when second gear 431 is rotatory, spacing post 433 can follow the rotation at spacing hole 6, on the 6 top layers of support frame, the both ends of spacing hole 61 are provided with proximity switch 45 respectively, proximity switch 45 is used for controlling the operation and the stopping of DC motor 44, specifically, when DC motor 44 is when rotatory to the critical position, namely when 1 passageway of valve body is opened completely or is closed completely, spacing post 433 on second gear 431 can touch proximity switch 45 at spacing hole 61 both ends promptly, DC motor stop work this moment to guarantee the device safe operation.

Specifically, the driving actuator 4 further includes a pointer 42 fixedly disposed on the connecting rod 432 and above the rotary potentiometer 43, an opening display disc 41 is disposed below the pointer 42, a transparent window 511 is disposed on the upper shell 51, the transparent window 511 is disposed right above the opening display disc 41, and the current opening condition of the valve body 1 can be directly observed through the transparent window 511.

The rotary potentiometer 43, the direct current motor 44 and the proximity switch 45 are electrically connected with an external power supply through leads, and the leads are led out from a wire outlet 521 formed in the lower shell 52.

This controlling means valve body 1 still is provided with the manual control and revolves the ball (not shown in the figure), and for example the manual control revolves the ball and can set up the casing top, and the manual control revolves the ball and directly is connected with the connecting rod, can revolve the aperture of ball control valve body 1 through the manual control.

The utility model integrates the driving actuating mechanism in the shell, so that the volume of the control device is relatively small, the integration level is high, the opening condition of the valve body can be visually displayed, and the opening of the ball valve can be intelligently and accurately controlled by combining auxiliary software and equipment (the prior art is not repeated) so as to save energy; in addition, the control device has simple structure and low cost, and is convenient for modifying the prior common ball valve so as to realize the intelligent requirement; and a manual control rotary ball is further arranged, so that the performability of the control device is improved.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a control device of regulation ball valve aperture which characterized in that: the valve comprises a valve body (1), wherein the valve body (1) is of a three-way structure, a valve seat (11) is arranged at the intersection of the three-way body in a cavity of the valve body (1), a sealing ball (12) is arranged in the valve seat (11), a channel (121) for fluid to flow is formed in the horizontal plane of the middle part of the sealing ball (12), a valve rod (13) is connected to the top end of the sealing ball (12), and the opening of the valve body (1) is controlled by controlling the rotation of the valve rod (13) to drive the sealing ball to rotate;

the valve also comprises a shell (5) arranged above the valve body (1);

a driving execution mechanism (4) and a support frame (6) are arranged in the shell (5), the driving execution mechanism (4) is installed on the support frame (6), and the support frame (6) is detachably connected in the shell (5);

the driving executing mechanism (4) comprises a rotary potentiometer (43), a direct current motor (44) and a proximity switch (45), the rotary potentiometer (43) is sleeved on the upper portion of a connecting rod (432), a second gear (431) is fixedly connected to the middle portion of the connecting rod (432) in an external mode, the bottom end of the connecting rod (432) is connected with the top end of a valve rod (13), a first gear (441) is connected to a driving shaft of the direct current motor (44), and the first gear (441) is in meshing transmission with the second gear (431);

fixed spacing post (433) of being provided with on second gear (431), spacing hole (61) have been seted up on support frame (6), spacing post (433) set up in spacing hole (61), support frame (6) are gone up, spacing hole (61) both ends are provided with proximity switch (45) respectively, proximity switch (45) are used for controlling the operation and the stopping of direct current motor (44).

2. The control device for adjusting the opening degree of a ball valve according to claim 1, wherein: the shell (5) is composed of an upper shell (51) and a lower shell (52), and the upper shell (51) and the lower shell (52) are detachably connected.

3. The control device for adjusting the opening degree of a ball valve according to claim 2, wherein: still include installing support (2), installing support (2) are hollow structure, the bottom of installing support (2) passes through the screw connection with the vertical tip of valve body (1), the top and the inferior valve (52) of installing support (2) can be dismantled and be connected.

4. The control device for adjusting the opening degree of the ball valve according to claim 3, wherein bosses (21) extending outwards are respectively arranged on two sides of the top end of the mounting bracket (2), and L-shaped hooks (522) and snap rings (523) matched with the bosses (21) are respectively arranged on two sides of the bottom of the lower shell (52);

inferior valve (52) bottom one side is connected with installing support (2) top one side boss (21) through L type couple (522), inferior valve (52) bottom opposite side is inserted snap ring (523) through bolt (3) and is connected with installing support (2) top opposite side boss (21).

5. The control device for adjusting the opening degree of a ball valve according to claim 4, wherein: the driving execution mechanism (4) further comprises a pointer (42) which is fixedly arranged on the connecting rod (432) and above the rotary potentiometer (43), and an opening display disc (41) is arranged below the pointer (42).

6. The control device for adjusting the opening degree of a ball valve according to claim 5, wherein: a transparent window (511) is formed in the upper shell (51), the transparent window (511) is formed right above the opening display disc (41), and the transparent window (511) is used for observing the opening of the valve body (1).

7. The control device for adjusting the opening degree of a ball valve according to claim 1, wherein: both ends all are provided with tenon (131) about valve rod (13), ball sealer (12) and connecting rod (432) all are provided with the recess with tenon (131) matched with.

8. The control device for adjusting the opening degree of a ball valve according to claim 1, wherein: two ends of the horizontal plane of the valve body (1) are respectively provided with an internal thread (14), and the internal thread (14) is used for being connected with an external pipeline.

9. The control device for adjusting the opening degree of a ball valve according to claim 1, wherein: the valve body (1) is also provided with a manual control rotary ball.